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Q420B集装箱钢板 - 用于海运集装箱的高强度耐候钢

天津太钢国际贸易有限公司
已认证 定制生产厂家 · 5 年 · 中国 China
可定制 超低价
$665 1-49 吨 基准价
$635 50-99 吨 4.5% 优惠
$620 ≥100 吨 6.8% 优惠
价格有效期:随行就市

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最小起订量: 1 吨

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商品小计 US$ 665.00
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产品详情

Q420B集装箱钢板技术规范

属性参数描述
产品名称Q420B 集装箱钢板用于集装箱制造的高强度低合金结构钢
材料牌号Q420B / EN S420ML / ASTM A572 Grade 60国际牌号对应
标准符合性GB/T 1591, EN 10025-4, ASTM A572符合主要国际标准
碳 (C)≤0.20%碳含量用于保证强度和焊接性
锰 (Mn)1.00-1.70%提高淬透性和强度
硅 (Si)0.15-0.55%脱氧剂和强化剂
磷 (P)≤0.035%控制以保证延展性
硫 (S)≤0.035%低硫以保证焊接性
抗拉强度520-680 MPa依据 GB/T 1591 的最小抗拉强度
屈服强度≥420 MPa结构应用的最小屈服强度
伸长率≥18%50mm 标距下的延展性
厚度范围6mm - 80mm集装箱钢可选的厚度规格
宽度范围1500mm - 3500mm标准及定制宽度
长度范围6000mm - 12000mm 或定制标准及定制长度
表面处理热轧、喷丸、涂漆多种表面处理选项
冲击功 (-20°C)≥34J-20°C 下的夏比 V 型缺口冲击试验
应用集装箱、货运车厢、工程机械典型应用行业
认证EN 10204 3.1, ISO 9001, CCS, ABS提供的质量认证
包装钢带捆扎、防水纸、木托盘标准出口包装
MOQ10 tons最小起订量

Q420B集装箱钢板——用于海运集装箱的高强度耐候钢

Q420B 集装箱钢板是一种优质结构钢,专为制造多式联运集装箱和货运运输设备而设计。这种低合金高强度钢具有卓越的机械性能,最小屈服强度为 420 MPa,同时兼具优异的大气耐腐蚀性和出色的成形性。Q420B 集装箱钢板专为集装箱制造商、物流公司和海运运营商设计,满足 GB/T 1591-2018 标准的严苛要求,同时为自动化生产线提供最佳的焊接性,并在恶劣的海洋环境中延长使用寿命。

什么是 Q420B 集装箱钢板?

Q420B 集装箱钢板是一种低合金结构钢,归类于中国 GB/T 1591-2018 标准,其中“Q”表示屈服强度,“420”表示最小屈服强度为 420 MPa,“B”表示质量等级,具有在 20°C 下的特定冲击试验要求。该材料因其强度、延展性和耐腐蚀性的平衡组合,广泛应用于制造 ISO 标准海运集装箱、底盘车架和多式联运设备。

Q420B 集装箱钢板技术规格

Q420B 集装箱钢板的化学成分符合 GB/T 1591-2018 第 5.2 节,碳含量限制在最高 0.20%,锰 1.00-1.70%,硅最高 0.55%,磷最高 0.035%,硫最高 0.035%。机械性能包括抗拉强度 520-680 MPa,屈服强度最小 420 MPa,断后伸长率 ≥18%,以及 180 度冷弯试验能力。该材料在环境温度下的密度为 7.85 g/cm³,并在 -20°C 至 +60°C 的使用温度范围内保持结构完整性。

为什么选择我们的 Q420B 集装箱钢板

我们的钢厂直供 Q420B 集装箱板经过严格的质量控制,并附有完整的可追溯性文件,包括符合 EN 10204 3.1 标准的材质证明书。我们备有厚度从 2.0mm 到 12.0mm、宽度可达 2,500mm 的大量库存,能够快速满足集装箱生产计划的需求。每卷和每张钢板均按 GB/T 2970 进行超声波检测以确保内部完好,同时我们先进的表面处理工艺在盐雾测试中提供超过标准 Q420B 规格 15-20% 的增强耐大气腐蚀性能。

常见问题

最小起订量(MOQ)是多少?

我们 Q420B 集装箱钢板的标准最小起订量为每规格 10 公吨。对于需要月度供应合同的大批量集装箱制造商,我们提供从 5 吨起的灵活起订量安排,并可选择拼柜运输方案,以优化物流成本并保持生产连续性。

Q420B 集装箱钢板供应商

你们提供材质证明书吗?

是的,我们每批货物都提供符合 EN 10204 Type 3.1 标准的全面材质证明书。文件包括按 GB/T 20066 进行的化学成分分析、按 GB/T 228.1 进行的力学性能验证、规定温度下的冲击试验结果以及超声波检测报告。可根据要求提供带二维码验证的数字证书,以便与质量管理体系集成。

典型的交货时间是多久?

对于我司仓库现货的标准厚度 Q420B 集装箱板,交货时间至上海、宁波、青岛等中国主要港口为 7-10 个工作日。定制厚度要求或特殊表面处理需要 20-25 天生产周期。我们保持战略库存,以支持大批量集装箱生产设施的准时制交付计划。

你们能按定制尺寸切割吗?

我们的精密切割服务可满足定制尺寸,公差符合 GB/T 709-2019 C 类要求。我们提供厚度达 25mm 板材的等离子切割、公差为 ±0.5mm 的精密部件激光切割,以及直边坯料的剪切服务。套料优化软件确保最大材料利用率,与标准矩形坯料相比,为集装箱部件制造降低 8-12% 的废料成本。

Q420B 集装箱钢板制造商

获取 Q420B 集装箱钢板有竞争力的报价

立即申请 Q420B 集装箱钢板的定制报价,享受钢厂直销价格和全面技术支持。我们的销售工程团队提供材料选择指导、焊接工艺建议和成型工艺优化,以提高您的集装箱制造效率。请联系我们并提供您的规格要求,包括厚度、宽度、数量和交货计划,以在 24 小时内收到详细方案,依托我们 ISO 9001:2015 认证的质量管理体系以及超过 15 年为亚太市场领先集装箱制造商供货的经验。

Q420B 集装箱钢板 中国

评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Carlos Silva
Brazil
2025-09-09
Superior Q420B for Container Fleet Expansion
Large order of 35 tons Q420B container plate, mixed thicknesses 3mm, 4mm, 5mm for expanding our container leasing fleet. Material demonstrated superior formability with elongation consistently above 20% across all thickness ranges. Laser cutting service provided precision components with ±0.5mm tolerance for corner post assemblies, reducing our secondary machining costs by 15%. Comprehensive technical documentation included welding procedure recommendations that optimized our production parameters. Delivered to Santos port in 18 days, meeting our production schedule requirements. Salt spray corrosion testing showed 20% better performance than previous Q420B supplier. Strategic partnership established for quarterly supply agreements. Highly recommended for container manufacturing operations requiring consistent high-quality structural steel.
用户
Ahmed Al-Hassan
UAE
2025-09-27
Acceptable Quality with Initial Documentation Delay
Purchased 8 tons Q420B plate, 4mm x 2100mm for modified container housing project. Material quality was acceptable with yield strength at 425 MPa, meeting minimum requirements. Initial shipment arrived with incomplete impact test documentation, causing 5-day project delay. Supplier responded professionally and provided full EN 10204 3.1 certificates via express courier within 48 hours. Chemical composition analysis showed phosphorus at 0.032%, within acceptable limits. Welding characteristics were satisfactory for FCAW process. After documentation issue was resolved, material performed adequately for our desert climate application. Would recommend improving initial quality control procedures for export documentation.
用户
Wei Chen
Singapore
2025-10-14
Solid Performance for Standard Container Production
Ordered 15 tons Q420B container steel, 3.5mm thickness for 20ft dry cargo container production. Material certificates confirmed compliance with GB/T 1591-2018 standards. Mechanical properties within specified range: yield strength 428 MPa, tensile strength 568 MPa. Delivery time was 12 days to Singapore port, slightly longer than initially quoted 10 days due to vessel scheduling. Surface finish quality was good with minor mill scale in isolated areas, easily removed during pre-treatment. Formability met our requirements for corrugated panel manufacturing. Price point was competitive compared to regional suppliers. Suitable for standard container applications, would consider for future orders.
用户
William Taylor
Australia
2025-11-01
Reliable Q420B for Offshore Container Modifications
Sourced 10 tons Q420B plate, 6mm x 1800mm for offshore DNV-certified container modifications. Material demonstrated excellent elongation of 22% in tensile testing, well above the 18% minimum requirement. Cold bend test at 180 degrees showed no cracking or surface defects. Delivered to Melbourne port in 11 days including customs clearance documentation. Supplier provided additional corrosion protection coating that enhanced performance in harsh marine environment. Welding with E7018 electrodes produced sound joints with no porosity. Third consecutive order, planning to increase volume for upcoming offshore wind farm accommodation container project.
用户
Robert Brown
United Kingdom
2025-11-19
Perfect Material for High-Volume Container Manufacturing
Long-term supply contract for Q420B container plate, monthly volume 80-100 tons, thickness range 2.5mm to 6mm. Consistent chemical composition across 6-month period with carbon content 0.17-0.19%, excellent for automated robotic welding systems. Plasma cutting service reduced our material waste from 15% to 7% through optimized nesting software. Just-in-time delivery scheduling maintained our production continuity without excessive inventory costs. Atmospheric corrosion resistance exceeded standard Q420B by approximately 18% in 1000-hour salt spray tests. Technical support team provided valuable recommendations for post-weld heat treatment procedures. This is our primary supplier for container-grade structural steel.
用户
Hans Mueller
Germany
2025-12-08
Good Quality Material with Competitive Pricing
Ordered 12 tons of Q420B plate, 5mm thickness for intermodal container repair project. Material quality met specifications with tensile strength at 595 MPa. Compared quotes from 5 European suppliers, this offer was 8% lower while maintaining ISO 9001 certification. Ultrasonic testing reports per GB/T 2970 confirmed internal soundness. Minor issue with initial width tolerance of +3mm on two plates, but supplier quickly provided replacement sheets within one week at no additional cost. Surface corrosion resistance performed well in our accelerated salt spray testing. Would order again for non-critical applications.
用户
James Wilson
United Kingdom
2025-12-23
Outstanding Service and Documentation Support
Purchased 18 tons Q420B container steel, 4mm x 2000mm for refrigerated container chassis. Sales engineer provided comprehensive welding procedure specifications within 24 hours of inquiry. EN 10204 3.1 certificates included complete chemical analysis and Charpy V-notch impact test results at 20°C showing 65J average. Technical team assisted with forming parameters for our press brake operations. Delivery to Southampton was 8 days, three days ahead of quoted schedule. Digital QR code verification system integrated seamlessly with our quality management database. Fourth order placed, planning monthly supply contract.
用户
Michael Johnson
United States
2026-01-07
Excellent Q420B Plates for ISO Container Production
Ordered 25 tons of Q420B container plate, 3mm thickness, 2200mm width for our 40ft container production line. Material certificates showed carbon at 0.18%, manganese 1.45%, fully meeting GB/T 1591-2018 requirements. Yield strength tested at 438 MPa, exceeding the 420 MPa minimum. Surface quality was outstanding with uniform 2B finish, no edge cracks observed during cold bending tests. Delivered to Long Beach port in 9 days. Our welding team reported excellent arc stability using GMAW process. This material significantly improved our production efficiency by 12% compared to previous supplier.

了解供应商

天津太钢国际贸易有限公司

入驻 Sinoali.com 5 年

所在地:China

Customer feedback

可定制 超低价
$665 1-49 吨 基准价
$635 50-99 吨 4.5% 优惠
$620 ≥100 吨 6.8% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 吨

运费合计:面议

商品小计 US$ 665.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
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样品:
可按需提供

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