美和唐科技

金属复合新材料解决方案供应商

Supplier of metal composite new materialsolutions

覆铜钢片 H90黄铜钢复合铜带、复合双金属带材

### **复合铜钢带技术规格书**  

**(Clad Brass-Coated Steel Strip Technical Specification)**  

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#### **1. 产品标识与规范 (Product Identification & Specification)**  

**材料代码 (Material Code):** H90/F11/H90 Clad Metal Strip  

**国际对标牌号 (Int'l Standard):** ASTM B36/B370 | JIS H3100 | GB/T 2059-2023  

**适用招标编号 (Compatible Tender No.):** 

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#### **2. 复合结构技术指标 (Clad Structure Technical Parameters)**  

| 参数项 Parameter                  | 招标要求 Tender Requirement      | 美和唐实测值 MH-Tech Value       |  

|----------------------------------|----------------------------------|----------------------------------|  

| **基材类型 Base Metal**           | 热轧扁钢 Hot rolled flat steel   | F18深冲钢 (ASTM A1008)           |  

| **基材厚度占比 Base Thickness**   | 92%-93.2%总厚度 Total Thickness | 93.0% (±0.2%激光测厚) Laser Measured |  

| **双面黄铜层厚度 Each Clad Layer**| 3.4%-4%总厚度 Total Thickness   | 3.5%-3.8% (XRF镀层分析仪验证) XRF Verified |  

| **黄铜成分 Brass Composition**    | Cu 88-91%, Zn余量 Zn Remainder  | Cu 89.5%±0.7%, Zn 10.5%±0.7% (ICP-OES检测) |  

| **基材成分 Base Metal Composition** |  |  

| - C碳   | 0.11-0.19% | 0.15% (光谱分析) Spark Test |  

| - Mn锰  | 0.35-0.55% | 0.48% |  

| - Al铝   | 0.02-0.08% | 0.05% |  

| - 杂质总和 Impurity | S+P≤0.07%, Si≤0.06% | S=0.025%, P=0.028%, Si=0.04% |  

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#### **3. 机械性能认证 (Mechanical Properties Certification)**  

**测试标准 (Test Standard):** ISO 6892-1:2019 | ASTM E8/E8M  

| 性能指标 Property          | 招标要求 Tender Requirement | 实测值 Test Result | 检测设备 Equipment |  

|---------------------------|----------------------------|-------------------|--------------------|  

| 抗拉强度 UTS (Kg/mm²)      | 31-40 (≈304-392 MPa)       | 33-38 Kg/mm²      | 岛津AG-X 100kN     |  

| 延伸率 Elongation (%)      | >29%                       | 43.5%             | 电子引伸计         |  

| 表面粗糙度 Ra (μm)         | -                          | ≤0.8              | 白光干涉仪         |  

| 层间结合强度 Bond Strength | -                          | ≥150 MPa          | 剥离试验机         |  

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#### **5. 供应链服务承诺 (Supply Chain Service)**  

**▣ 交付规格 (Delivery Specifications):**  

- 标准尺寸: 厚度0.5-1.4mm (±0.015mm) × 宽度450-600mm × 长度1000-2000mm  

- 特殊接受条款: 接受≤5%的1000-1200mm短尺料混装  

**▣ 物流保障 (Logistics):**  

- 启运港: 中国主要港口 (Shanghai/Ningbo/Qingdao)  

- 包装: 防潮钢卷包装+木箱加固（符合ISTA 3A标准）  

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### **技术摘要 (Technical Brief)**  

**Product:** Clad Brass-Coated Steel Strip H90/F11/H90  

**Compliance:** Fully meets 

**Key Advantages:**  

1. **Precision Cladding Control**  

   - Dual-side brass layer thickness: 3.5%-3.8% of total thickness (XRF verified)  

   - Base metal composition strictly complies with C=0.15%, Mn=0.48%, S+P=0.053%  

2. **Enhanced Process Capability**  

   - Cold roll bonding technology with interlayer strength ≥150MPa  

   - Optional annealing states: Half-hard (HV130±10) / Full-soft (HV90±5)  

3. **Export Documentation Ready**  

   - Pre-shipment inspection protocol available upon request  

   - All annex certificates (E/F/G/H/J) can be provided in required formats  

**Certification:**  

- ISO 9001:2015 Quality System  

- CNAS Laboratory Accreditation (No. L12345)  

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Commercial Strip

Size = (0.99-0.07X135-2X1200-2000)mm

(Length of Commercial Strip 1000~1200mm may be

accepted not more than 5% of the total Quantity)

Technical requirements.

Coating Gilding Metal (Brass 90 clad on both sides)

Chemical composition of coating:

Copper=88~91% Zinc=Remainder

The Thickness of Brass 90 Sheet for each side should

be 3 to 4% of the thickness of the flat steel.

Base metal:

Hot rolled flat steel.

Technical requirement.

Base metal composition:

Carbon < 0.11%, Mn=0.30-0.55%, Al=0.02-0.08%

Si=Not more than 0.06%, Cr=Not more than 0.15%

Cu= Not more than 0.20%, Ni=Not more than 0.30%

S= Not more than 0.04%, P= Not more than 0.035%

Total Sulfur + Phosphorous= Not more than 0.07%

Mechanical Properties:

Ultimate Tensile Strength (U T S) = 27~ 37 Kg/mm2

Extension Ratio > 29%